--- a/crypto/weakcrypto/source/bigint/windowslider.cpp	Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/*
-* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: 
-*
-*/
-
-
-#include <bigint.h>
-#include "windowslider.h"
-#include "../common/inlines.h"
-
-TWindowSlider::TWindowSlider(const TInteger& aExp, TUint aWindowSize)
-	: iExp(aExp), iSize(aWindowSize)
-	{
-	if(iSize == 0)
-		{
-		TUint expLen = iExp.BitCount();
-		//These numbers are more or less arbitrary and can be tuned for empirical
-		//performance results if desired.  It's a trade off between amount of
-		//precomputation (more if larger iSize) and number of iterations
-		//(more if smaller iSize).  The current defaults were obtained
-		//from crypto++
-		if( expLen <= 17 )
-			iSize = 1;
-		else if( expLen <= 24 )
-			iSize = 2;
-		else if( expLen <= 70 )
-			iSize = 3;
-		else if( expLen <= 197 )
-			iSize = 4;
-		else if( expLen <= 539 )
-			iSize = 5;
-		else if( expLen <= 1434 )
-			iSize = 6;
-		else 
-			iSize = 7;
-		}
-	assert(iSize>=1 && iSize<=7);
-	}
-
-void TWindowSlider::FindNextWindow(TUint aBegin)
-	{
-	assert(iExp.Bit(aBegin)); //initial bit must be 1
-	TInt end = aBegin;
-	TUint temp = 0;
-	iValue = 0;
-	TUint j = 0;
-	for(TInt i=aBegin; i>=0 && j<iSize; i--, j++)
-		{
-		TUint saveMask = WORD_BITS - j - 1;
-		temp |= iExp.Bit(i) << saveMask;
-		if( temp & (1 << saveMask) )
-			{
-			end = i;
-			iValue |= temp; //last valid substring
-			}
-		}
-
-	iLength = aBegin - end + 1;
-	iValue >>= (WORD_BITS - iLength);
-	}
-